statistics courses
Below are some links to free online courses in Statistics. Each course has a study time of around 16 hours, but the pace might vary for different individuals.
Medical Statistics (OU free course)
Modelling and Estimation (OU free course)
Bayesian Statistics (OU free course)
Modelling Events in Time (OU free course)
Point Estimation (OU free course)
And for some coding work, try Coding for Data Analysis from the OU. This involves about 24 hours' study time.